JEE Advanced 2022 Paper 2

Section: Chemistry

Question : 50 of 54

Marks: +1, -0

Among the following, the correct statement(s) about polymers is(are)

[JEE Adv 2022 P2]

The polymerization of chloroprene gives natural rubber.
Teflon is prepared from tetrafluoroethene by heating it with persulphate catalyst at high pressures.
PVC are thermoplastic polymers.
Ethene at 350−570K temperature and 1000-2000 atm pressure in the presence of a peroxide initiator yields high density polythene.

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